Modular block



FIG. 1 is a front perspective view of a modular block showing our invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a front perspective view of a modified embodiment of the design shown in FIGS. 1-4.

FIG. 6 is a top plan view of the modular block thereof;

FIG. 7 is a bottom plan view of the modular block thereof; and,

FIG. 8 is a right side elevational view of the modular block thereof. 

The ornamental design for a modular block, as shown and described. 